Não informado. (1976). Interdisciplinary perspectives. Association for General and Liberal Studies.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Interdisciplinary Perspectives. Minneapolis, Minn: Association for General and Liberal Studies, 1976.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Interdisciplinary Perspectives. Association for General and Liberal Studies, 1976.
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